Dec. 6 paid $1,600 for salaries due employees, of which $600 is for december and $1,000 is for november salaries payable. 8 received $1,900 cash from customers in payment of account (no discount allowed). 10 sold merchandise for cash $6,300. the cost of the merchandise sold was $4,100. 13 purchased merchandise on account from hecht co. $9,000, terms 2/10, n/30. 15 purchased supplies for cash $2,000. 18 sold merchandise on account $12,000, terms 3/10, n/30. the cost of the merchandise sold was $8,000. 20 paid salaries $1,800. 23 paid hecht co. in full, less discount. 27 received collections in full, less discounts, from customers billed on december 18. adjustment data: